Vivitar Auto Thyristor 3700 Flash for Canon - Tested / Works

Vivitar Auto Thyristor 3700 Electronic Camera Flash

Vivitar Auto Thyristor 3700 Swivel Bounce Flash Photography Lighting DSLR

Vivitar Auto Thyristor 3700 Camera Flash Equipment Photography Photo

Vivitar Auto Thyristor 3700 Flash

Vivitar Auto Thyristor 3700 Camera Flash UNTESTED

Vivitar Auto Thyristor 3700 Camera Flash Photography Equipment

Vivitar 283 Auto Thyristor Shoe Mount Vintage Camera Flash Untested